IF Works But Loop Required - Huge Network With 20+ File Servers All With Data Spread Out Across Them
Mar 4, 2011
My app is a fairly simple and im sure with the right knowledge this would take 2 minutes.. but sadly iv been at it for hours. So my scenario here is a huge network with 20+ file servers all with data spread out across them it can take hours to find the folder required.
Hence this app.. so it consist of a input box, progress bar and a button, using FileSystemObject I plan to interrogate a directory to see if a folder exists (folder specified by user input) however it need to check multiple directories, in my old app I used a list box which wrote to a text file allowing the user to add additional directories then using if statements proceeded through the servers.. however they have added that much that my IF's have ran out really because i know it should have been a loop
Imports System
Imports System.IO
Public Class Frm_main
Private Const FILE_NAME As String = "C:directories.txt"
Dim objReader As New System.IO.StreamReader(FILE_NAME)
Dim Lines() As String = IO.File.ReadAllLines(FILE_NAME)
Dim Dir As String
[CODE]...................
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Jun 5, 2011
I have a huge amount of data in flat-file format that I would like to validate with Visual Basic 2010. Basically the data is a text file with 300 comma separated fields and 500,000 records.
Any tips, sample code or examples? Are any .NET classes specifically geared for data validation?
As I have different validation rules for each field (some fields are dates, some are currency, etc.) I would like to store the rules away from the code (e.g. in an SQL database table). Has anyone seen this done before?
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Apr 16, 2012
CODE:
That code works to read the entry data and to recognise the correct data, and the incorrect. However, even if entry is correct, the error msgbox will appear (x times of how many records there are in file), despite being navigated to the menu. Anyway that the Else isn't triggered when data is correct. Also for it to appear just one instead of (x times of how many records there are in file.)
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Sep 29, 2011
I don't really know how to code but am pretty good at tweaking. I'm trying to set up a script that I can run to delete a single file, multiple files, a folder or multiple folders on a list of servers.I was thinking that the script could read the files to be deleted from a .txt file and apply the deletion to a list of servers in another .txt file.Example:
FilesToBeDeleted.txt:
\(insert_server_name_from_list)c$Program FilesBINexample_file.rpt
or
[code].....
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Aug 30, 2011
I'm using the details on connecting to a server from a client here: [URL]
It's quite out dated but I just need it for a quick project. I need the client to auto-connect. This program will be running on the LAN only, is there a way to find on what computer the server is running on (i.e. all computers hosting the specific server on port x). I've seen it on a couple of games that run on LAN. Without access to the internet, they manage to display all available games on the local LAN. I'm doing this with VB.net.
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Nov 22, 2009
get a list of the servers avalible on the network, then check to see if those servers contain my database?
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Feb 4, 2010
I am trying to remotely connect to servers on a network. However, an exception occurs and I can never connect. The code I am using to connect to the servers does work because I have had someone else test it. The exception is shown below. Is this a setting with VB or with my computer?
System.Runtime.InteropServices.COMException was caught
ErrorCode=-2147220308
HelpLink="C:Program FilesPIPCPISDK..Helppisdk.chm"
Message="The specified time is invalid "
[code]....
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Jan 31, 2012
I want to build a search program that searches for a key word over any local networks the computer workstation has assess to like the search for files and folder function on any standard windows computer but with added feature it will also search across the networks servers its connected to?
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Aug 11, 2009
I assigned an integer as 1, and looped my program using:[code]I can recieve the packets without looping, but once i loop, i receive nothing.
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Nov 14, 2011
I need to copy data using Vb.net if possible from one excel spreadworbook to another and place the data into the correct columns in the existing excel spreadsheet. The column titles of the spreadsheets match up, I have several templates I need to place data into and the order of the columns is different in each template so I need a way of searching for a column header in the template and then copying the data into that column.
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Apr 5, 2009
I have a psychology experiment that has users respond to specific text or pictures by pressing either a button for "similar" or a button for "opposite" and then the program records the time from the presentation of the stimuli to the time they press one of the buttons as the latency. I have the information ans some other data successfully exporting to a text document but would like to have just the latency data also go into an excel spreadsheet for easier analysis. Here is the code for one of my buttons that currently writes to the text document:
[Code]...
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Mar 14, 2010
I have a client/server chat application which I made . My question is how do I make the application work not only Locally but On any other network. I tried putting my IP in the part of creation of the client socket .
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Dec 17, 2010
I've made a simple knowledgebase program which contains example documents. The documents are stored in a folder, and in an accessdatabase stands the information about the documents.The program also includes a simple search option. The program itself is located in a folder on a network computer.It has to be a network program for collegues can add other examples.Now it gets weird. at least in my opinion.When I run the program locally -> no problem.When I run the program from another network PC -> no problem.But when I run the program from a network Thin Client -> shaboom..At least when I enter a search option and the connection to the database is opened:"Application attempted to perform an operation not allowed by the security pollcy. To grand this application the required permission, contact you system administrator or use the Microsoft .NET framework configuration tool."[code]Now I've found a LOT of topics in this forum and many others, and it's clear that apps from another network location are run without "full trust". And the trust issue can be handled with caspol or web.config. Although caspol is a mystery to me and web.config didn't seem to work.But since it's so explicitly crashing on Thin Clients.
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Nov 16, 2010
im using vs2010 and SQL server 2005. what is the best and fastest way to load large volume of data into treeview
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Feb 17, 2012
I have a bunch of Excel files full of research data. Everything is strait forward: rows of research categories and columns of research parameters. I want to create a simple search form that allows opening any of the spread sheets that contains the type of data that I specify. For example, I would choose a parameter
[Code]...
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Oct 14, 2010
I have code in an ASP.NET form that needs to, depending on user entry create messages in the database. We are speaking of potentially thousands of db entries. How do I protect against deadlocks, I mean apart from using Transactions and setting IsolationLevel to Serializable, as well as using WITH(NOLOCK) statement on my select statements since I don't mind a dirty read.
[Code]...
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May 19, 2012
web method:
[Code]...
with this condition(PACK_DATE > "1388/11/07" 366 records) everything works well.but when i change date to 1388/11/06 1260 records or 1388/11/05 5460 records or ... following error occurs:
[Code]...
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Oct 2, 2009
If completedOrders.Count <> 0 Then
For i = 0 To completedOrders.Count - 1
SyncLock completedOrders
'Do some work, for example this:
Dim text As String = completedOrders(0).getCN & " " & completedOrders(0).getDeviceName & " "
End SyncLock
Next
End If
Is a synclock needed before the if statement or for loop? In other words. When you call methods like .length or .count is it necessary to synclock them or can another thread be writing to it at the same time. CompletedOrders is a generic list of a class.
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Jun 15, 2010
I have a huge .txt file which contains X & Y data seperated by serialization. Each serialization contains 1K x and y data points, the text file is about lines 1,340,000 long. Sometimes I need to go into the .txt file and find certain sets of data so I can plot and overlay them which gets tedious. I am going to write an application that I can just write the serialization into a text box on a form and and it will seach all of the txt files for the right data, put them into arrays, and then load them up into excel. My question is how would I search the .txt file for the correct serialization? Would I first read it into an array and then try and split it that way, or is there a way to just open the .txt file and search for the serialization without putting it into an array first?
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Dec 8, 2011
I am trying to understand how a for each loop works and am having some trouble. I am trying to create a program that will query a sql database, pull back the information and store it. I currently having it writing to a text file, and would like to take the information (such as name) and compare it to another list where the name is equal. However I am not exactly sure how the for each statement really works. I have looked at numerous sources and it doesn't make since to me as you can probably see from what I have put in here.
HTML
Public Class Form1
Public Sub newarrest()
Dim strsports As New System.Collections.Generic.List(Of String)
Dim employeelastname As New System.Collections.Generic.List(Of String)
Dim cnPodaci1 As New SqlConnection
[Code] .....
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Apr 29, 2011
i need assistance in for each loop in vb.net 2005. that what is this for, why we use it, what is its syntax and where we need to use etc etc etc....
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Oct 26, 2011
While Loop Works then doesn't?
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Aug 9, 2010
Such as the text file has 5000 lines and 500000 columns. Each line has the format "xxx,yyy,zzz,000,...."
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Nov 24, 2010
I have a huge text file that stores a huge matrix. The size of the file has 120GB. There are tremendous rows and 25 columns. I am only interesting a coulple of columns, say column 3, 6, 8, 13, 20. How to create a small matrix which contains these columns. I want to find a effective way rather than read the entire file.
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Mar 8, 2012
At the moment my problem is when the function is called If I run it without line 3' MsgBox("bfdbfbniu") the x & y aren't being returned, however when I put a msgbox they are? I don't understand why it would work with a textbox, in comparison to without one. I honestly think the msgbox() should have no effect;
'If CPU is second
If count4win = 1 Then
MsgBox("bfdbfbniu")
[Code].....
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Oct 5, 2010
My For... Next Loop will not work and I cannot for the life of me figure out why. I have tried to display the results in a label and a text box with multiline enabled. Doesn't seem to matter. It's probably something obvious I have been overlooking for 2 hours.
Option Explicit On
Option Strict On
Option Infer Off
[Code].....
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Mar 26, 2009
I have written a pontoon game for a college project but i have a problem in which my loop only works when there is a breakpoint in it.The counter is incrementing as i have used a msgbox to display it. The procedure runs the loop and returns the same value in all locations in the array. With a breakpoint it displays correctly in the array.
here is the
Dim aryCardValue(0 To 10) As Short
Dim aryCount(0 To 10) As Short
Dim i As Short
[code]....
I have used the cards procedure in other programs and it worked fine.
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Jan 5, 2012
I�ve had success using the GET method to retrieve a series of web pages but my new challenge requires me to use a POST > GET combo. I can get it to work once just fine but no more. I get the feeling that something isn�t closing or completing properly. When I try to do the second GetRequestStream() I can see from my sniffer app that nothing is being sent so when the next command to stream the POST data to the request session it fails. I removed it all from the loop and simplified it as much as possible. Can someone tell me why it fails?
Also as a general question is my tack or reusing WebRequests viable? Or is there a �best practice� for looping a POST > GET combo? I�ve been assuming that since nothing in the WebRequest changes besides the post data I�m sending, even its length remains the same, that I should be able to re-use it.
Dim Cookie As New CookieContainer
Dim encoding As New UTF8Encoding
Dim byteData As Byte()
[code]....
Note: The section after the �Experimental comment is a surrogate for the second iteration of the loop. The GET that normally follows the POST section has been removed.
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Oct 3, 2009
Im trying to tell my button to go directly to a website, it works fine when i path it to the web browser itself, but then when i add it to go to the sppecific site it says system cannot specify file path. Heres the code Rob gave me and it didnt work ""[URL]""" Heres my exact line: Process.Start("C:Program FilesFlockFlock.exe ""[URL]"")
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Sep 19, 2009
Is there anyway to use Microsoft File Transfer Manager as an OCX or DLL to manage huge downloads? I'm planning an app.
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